name: Handle Email Issues

on:
  issues:
    types: [opened]

jobs:
  handle_email_issues:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Add label
      if: startsWith(github.event.issue.title, '[e-mail]')
      uses: actions-ecosystem/action-add-labels@v1
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        labels: 'subscribe'

    - name: Comment on issue
      if: startsWith(github.event.issue.title, '[e-mail]')
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.PAT_TOKEN }}
        script: |
          github.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: '您已订阅本站更新，若有新文章将通过邮箱推送给您，谢谢!'
          })

    - name: Close issue
      if: startsWith(github.event.issue.title, '[e-mail]')
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.PAT_TOKEN }}
        script: |
          github.issues.update({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            state: 'closed'
          })